Bug report writing in Testing Fundamentals - Build an Automation Script

Write a clear and complete bug report for a login failure

Preconditions (2)

Step 1: Open the login page

Step 2: Enter a valid username '[e-mail]' in the username field

Step 3: Enter an incorrect password 'wrongpass' in the password field

Step 4: Click the 'Login' button

Step 5: Observe the error message displayed

✅ Expected Result: An error message 'Invalid username or password' is displayed clearly below the login form

Automation Requirements - None (manual writing task)

Assertions Needed:

Bug report includes a clear title

Bug report describes steps to reproduce exactly

Bug report states expected and actual results

Bug report includes environment details

Bug report is concise and easy to understand

Best Practices:

Use simple language without jargon

Include exact steps to reproduce

Mention the version and environment

Describe the actual behavior and expected behavior

Attach screenshots or logs if possible

Automated Solution

Testing Fundamentals

Title: Login fails with incorrect password showing unclear error

Steps to reproduce:
1. Open the login page at https://example.com/login
2. Enter username '[e-mail]'
3. Enter password 'wrongpass'
4. Click the 'Login' button

Expected result:
User sees error message 'Invalid username or password' below the login form.

Actual result:
User sees a generic error message 'Login failed' without explanation.

Environment:
Browser: Chrome 114.0
OS: Windows 10
App version: 1.2.3

Notes:
The error message is unclear and does not help the user understand the problem.

Screenshot attached showing the error message.

This bug report is written clearly and simply. The title summarizes the problem. The steps to reproduce are exact and easy to follow. Expected and actual results are clearly stated so developers understand the difference. Environment details help reproduce the issue. The note explains why this is a problem. Including a screenshot helps visualize the issue.

This format helps developers quickly understand and fix the bug.

Common Mistakes - 5 Pitfalls

{'mistake': "Writing vague titles like 'Login problem'", 'why_bad': 'It does not help identify the issue quickly among many bugs.', 'correct_approach': "Use specific titles like 'Login fails with incorrect password showing unclear error'."}

Skipping steps to reproduce or writing them unclearly

Not stating expected vs actual results

Omitting environment details like browser or app version

Using technical jargon or complex language

Bonus Challenge

Now write three bug reports for different issues using the same clear format.

Show Hint